CN109867996A - Photovoltaic back one pack system repairing putty and its preparation method and application - Google Patents
Photovoltaic back one pack system repairing putty and its preparation method and application Download PDFInfo
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- CN109867996A CN109867996A CN201910165968.2A CN201910165968A CN109867996A CN 109867996 A CN109867996 A CN 109867996A CN 201910165968 A CN201910165968 A CN 201910165968A CN 109867996 A CN109867996 A CN 109867996A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention belongs to solar cell module technical fields, and in particular to a kind of photovoltaic back one pack system repairing putty and its preparation method and application.It includes: polyisocyanate resin that wherein this one pack system repairing putty forms by weight: 10-100 parts；Filler: 50-500 parts；And auxiliary agent: 0.1-10 parts.This one pack system repairing putty is mixed to form putty by polyisocyanate resin, filler and auxiliary agent, suitable for being filled in the deep layer PET injury region of photovoltaic back, is repaired with cracking, the breakage etc. to PET.
Description
Technical field
The present invention relates to solar cell module technical fields, and in particular to a kind of photovoltaic back one pack system repairing putty
And its preparation method and application.
Background technique
Solar power station after decades of development, backboard as the material for being directly exposed to various complicated climatic environments,
It will appear various situations such as damaged and xanthochromia, so how to repair these damaged backboards, prolonging its service life is
Domestic and international each power station urgent problem at present.
Currently, the domestic solution for damaged backboard mainly applies on PET film material or its fluorine-containing compound film material
Apply pressure sensitive binder, in the form of adhesive tape full page fit on damaged backboard (application number:
201710656529.2 and 201711239911.X).But it has the following disadvantages, such as applies in the specific implementation process
Work difficulty is larger, needs professional's operation, full page joint adhesive band etc., therefore construction material cost and cost of labor all compare
It is high.
And a kind of photovoltaic back repair paint is disclosed in the patent application No. is 201711089908.4 and is repaired with it
The methods and applications of benefit, are right in explanation and refer to, " repair paint includes the raw material of following parts by weight: fluorine resin 40-60
Part, 10-25 parts of organosilicon performed polymer, 1-19 parts of epoxy resin, 15-31 parts of inorganic filler, 1-13 parts of auxiliary agent, 5-30 parts of diluent
With 5-34 parts of isocyanate curing agent." can be seen that this from fluorine resin, epoxy resin and the constituent content of inorganic filler and repair
Coating material is sprayed coating, is suitble to be sprayed on the damaged surface of photovoltaic back, is appropriate for skin patching, can not insert photovoltaic back
At the deep layer of plate, the repairing cracked to PET at photovoltaic back deep layer is completed, it is even more impossible to prevent the deep layer crackle of photovoltaic back into one
Step extends.In addition, the repair paint needs dry environment, " dipped using repair outfit the repair paint prepared be filled into it is scarce
Place is fallen into, then toasts 60s " using 70 DEG C of hair dryer distance 30cm, " is extremely applicable to that the temperature difference such as plateau, desert, gobi are big, spoke
According to strong environment ", significantly limit application places and the time of photovoltaic back repair paint, the especially gas such as wetland, ocean
Wait the biggish environment of humidity or the more humidity of precipitation biggish season.This is also that it is unable to satisfy the deep layer to photovoltaic back
One of the restrictive condition repaired is damaged, therefore also reduces the repair efficiency of photovoltaic back.
In consideration of it, this application provides a kind of one pack system repairing putty, can be realized the deep layer for being filled in photovoltaic back
Place repair to the deep layer damage of photovoltaic back；One pack system repairing putty can be with the reaction of moisture in air simultaneously
Fine and close cross-linked structure is formed, therefore does not need the technique of additional drying, expands application places.
Summary of the invention
The object of the present invention is to provide a kind of photovoltaic back one pack system repairing putties and its preparation method and application, especially
It is applicable in and deep layer repairing is carried out to photovoltaic back.
In order to solve the above-mentioned technical problems, the present invention provides a kind of one pack system repairing putties, comprising: polyisocyanates tree
Rouge: 10-100 parts；Filler: 50-500 parts；And auxiliary agent: 0.1-10 parts.
Further, the polyisocyanate resin is suitable for forming cross-linked structure with the contact surface of the moisture in air, point
Minor is 2RNCO+H2O→RNHCONHR+CO2↑。
Further, the polyisocyanate resin is that aliphatic isocyanates are expanded in the molecule chain end of matrix resin
Chain reaction is formed；Wherein described matrix resin includes polyhydroxy FEVE resin, epoxy resin, Hydroxylated acrylic resin, aliphatic
One or more of polyester polyol, polyether polyol.
Further, the aliphatic isocyanates include hydrogenation methylenebis phenyl isocyanate, hexa-methylene diisocyanate
One or more of ester, isophorone diisocyanate.
Further, the filler includes one or more of high reflection rutile type titanium white, hollow glass microbead.
Further, the partial size of the hollow glass microbead is 40-90um, refractive index 1.9-2.2.
Further, the auxiliary agent includes at least one of catalyst, dispersing agent, thixotropic agent, coupling agent, defoaming agent.
Further, the coupling agent includes type siloxane coupling agent, titanate coupling agent, aluminate coupling agent, zirconate
One or more of the compound of coupling agent and above-mentioned each coupling agent.
Another aspect, the present invention also provides a kind of preparation methods of one pack system repairing putty, comprising: by matrix resin with
Aliphatic isocyanates are mixed and heated to 80-130 DEG C and are reacted, and generate polyisocyanate resin；By auxiliary agent, filler and institute
It states after polyisocyanate resin is sufficiently mixed and disperses in paste；And sealed package after being replaced by drying nitrogen.
On the other hand, the present invention also provides a kind of application of one pack system repairing putty, the one pack system repairing putty is suitable
Skin patching and/or deep layer for photovoltaic back are repaired.
The invention has the advantages that one pack system repairing putty of the invention is by polyisocyanate resin, filler and helps
Agent is mixed to form, and the ratio by adjusting filler and polyisocyanate resin forms putty, can be filled in the depth of photovoltaic back
At layer, the especially suitable deep layer damage to photovoltaic back is repaired.Have the advantages that applied widely, repair efficiency is good.
Specific embodiment
Embodiment 1
The present embodiment 1 provides a kind of one pack system repairing putty, and composition includes: polyisocyanate resin by weight: 10-
100 parts；Filler: 50-500 parts；And auxiliary agent: 0.1-10 parts.
Preferably, the polyisocyanate resin is suitable for forming cross-linked structure with the contact surface of the moisture in air, anti-
Ying Shiwei 2RNCO+H2O→RNHCONHR+CO2↑.In the reaction, 1 hydrone reacts to obtain substituted urea, water with 2 NCO groups
A kind of chain extender or curing agent can be regarded as.When using one pack system repairing putty, in addition to rain and snow weather, single group can be completed
The reaction solidification for dividing repairing putty, expands application places, not only simplifies operating process, especially solid in photovoltaic back deep layer
What change and baking process were difficult to realize, this is also the characteristics of it can satisfy the repairing of photovoltaic back deep layer.
The one pack system repairing putty of the present embodiment 1 forms putty by adjusting the ratio of filler and polyisocyanate resin,
It is especially suitable for being filled at the deep layer of photovoltaic back, the damage of its deep layer such as crack, fracture, inside PET damage is repaired.
In addition, this one pack system repairing putty can also form cross-linked structure on surface, therefore do not need to do with the reaction of moisture in air
The harsh environments such as dry, expand application places.Have the advantages that applied widely, repair efficiency is good.
A kind of optional embodiment as polyisocyanate resin.
The polyisocyanate resin is molecule chain end progress chain extending reaction of the aliphatic isocyanates in matrix resin
It is formed；Wherein described matrix resin includes but is not limited to polyhydroxy FEVE resin, epoxy resin, Hydroxylated acrylic resin, fat
One or more of adoption ester polyol, polyether polyol etc., cohesion strong to the bonding force of photovoltaic back (such as PET base material)
Intensity is high, and uv-resistance can be good.
Optionally, the polyhydroxy FEVE resin is such as, but not limited to trifluoro FEVE resin, has with photovoltaic back preferable
Intermiscibility.
Optionally, the aliphatic isocyanates include but is not limited to hydrogenate methylenebis phenyl isocyanate, hexa-methylene
One or more of diisocyanate, isophorone diisocyanate etc., with weather resistance, excellent, long-term outdoor is not using
The advantages that xanthochromia.It after repairing photovoltaic back, can be consistent with photovoltaic back or approximate colour system, to be used to repair photovoltaic back
The appearance of plate.
Optionally, the molecule chain end of described matrix resin contains the active function groups of chain extending reaction；And the activity
Functional group is such as, but not limited to hydroxyl, amino etc..
The polyisocyanate resin of present embodiment is using the matrix resin for having excellent weathering resistance, (such as to photovoltaic back
PET base material) bonding force it is strong, cohesive strength is high, and uv-resistance can be good, can be with especially in the deep layer repairing for carrying out photovoltaic back
It prevents crackle or damage from further extending, plays the effect of repairing and pre- antisitic defect.
A kind of optional embodiment as filler.
The filler includes but is not limited to one or more of high reflection rutile type titanium white, hollow glass microbead.
Wherein the partial size of the hollow glass microbead is 40-90um, refractive index 1.9-2.2.
The filler of present embodiment is based on white and transparent, it is ensured that the reflectivity and photovoltaic back for repairing position are protected
It holds consistent or close, avoids repairing position from influencing the normal use of photovoltaic back, while the partial size of filler is controlled, to prevent single group
Divide the excessive crack that cannot be introduced into photovoltaic back of whole partial size or micro-crack depths of repairing putty.In addition, filler also have it is resistance to
It waits, wear-resisting, scratch-resistant effect.
A kind of optional embodiment as auxiliary agent.
The auxiliary agent includes but is not limited at least one of catalyst, dispersing agent, thixotropic agent, coupling agent, defoaming agent.
Optionally, the catalyst includes but is not limited to organometallic catalysts (such as dibutyl tin dilaurate, octanoic acid
Stannous etc.), (such as N, N- dimethyl cyclohexyl amine, bis- (2- dimethylaminoethyl) ethers, N, N, N', N'- tetramethyl are sub- for amines catalyst
Alkyl diamine, triethylamine, N, N- dimethyl benzylamine etc.) and above-mentioned each catalyst compound one or more, Ke Yijia
Fast matrix resin and steam reaction rate.
Optionally, the dispersing agent includes but is not limited to BYK111, BYK110 etc., can improve filler in resin system
Dispersion effect.
Optionally, the defoaming agent includes but is not limited to BYK019, BYK024, BYK065 etc., it is possible to reduce mixed process
The influence of middle bubble.
Optionally, the coupling agent includes but is not limited to that (such as aminopropyl triethoxysilane shrinks type siloxane coupling agent
Glyceryl etheroxypropyltrimethoxysilane, methacryloxypropyl trimethoxy silane, vinyltriethoxysilane,
Vinyltrimethoxysilane, mercapto propyl front three (second) oxysilane, ethylenediaminepropyltriethoxysilane, ethylenediamine propyl first
Base dimethoxysilane etc.), titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent and above-mentioned each coupling agent answer
With one or more of object, it can effectively improve the adhesive force of filler and polyisocyanate resin, further increase one pack system
The adhesion strength of repairing putty and photovoltaic back.
Optionally, the thixotropic agent may be implemented under no mechanical stirring based on fumed silica by hydrogen bond action
High viscosity/constructing operation when low viscosity effect, improve the performances such as sagging, the joint filling of one pack system repairing putty.
Certainly, this one pack system repairing putty can be used at the surface damage of photovoltaic back, to its cosmetic injury, such as shell
It falls, scaling, breakage etc. are repaired.
In conclusion this one pack system repairing putty forms putty by adjusting the ratio of filler and polyisocyanate resin,
It is especially suitable for the deep layer repairing of photovoltaic back；This one pack system repairing putty can also be with the reaction of moisture in air on surface simultaneously
Cross-linked structure is formed, does not need additionally to toast, expands application places.Using there is the matrix resin of excellent weathering resistance to pass through rouge
Fat race isocyanates chain extension forms polyisocyanate resin, strong to the bonding force of photovoltaic back (such as PET base material), is especially carrying out
When the deep layer repairing of photovoltaic back, it can prevent crackle or damage from further extending；Aliphatic isocyanates have weather-proof simultaneously
It has excellent performance, the advantages that long-term outdoor is using non yellowing, and the effect of repairing backboard appearance can be reached；Using white or transparent
Based on filler, with guarantee repairing position reflectivity be consistent or approach with photovoltaic back, avoid repairing position influence light
Lie prostrate the normal use of backboard；It can effectively improve the attachment of filler and polyisocyanate resin by various auxiliary agents, such as coupling agent
Power, the thixotropic agent based on fumed silica, can improve the performances such as sagging, the joint filling of one pack system repairing putty for another example.Cause
This, this one pack system repairing putty has the advantages that applied widely, inside and outside minor and repair efficiency is good.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of preparation method of one pack system repairing putty, including such as
Lower step: matrix resin is mixed and heated to 80-130 DEG C with aliphatic isocyanates and reacted by step S1, generates polyisocyanate
Cyanate ester resin (controls extent of reaction by the viscosity and content of polyisocyanate resin)；Step S2, by auxiliary agent, filler and institute
It states after polyisocyanate resin is sufficiently mixed and disperses in paste；And step S3, packet is sealed after replacing by drying nitrogen
Dress.
Specifically, the one pack system repairing putty of this preparation method preparation needs dry-storage, to prevent and the water in air
Divide and react, one pack system repairing putty is caused to fail.
Constituent content and specific implementation process about one pack system repairing putty are discussed referring to the correlation of embodiment 1, herein
It repeats no more.
Embodiment 3
On the basis of embodiment 1, the present embodiment 3 provides a kind of application of one pack system repairing putty, the one pack system
Repairing putty is suitable for skin patching and/or the deep layer repairing of photovoltaic back.
Optionally, for the surface damage of photovoltaic back, photovoltaic back can be coated in by the modes such as scratching or spraying
Surface, to be repaired；Or crack damaged for the deep layer of photovoltaic back, can be applied to its depth by scraper or other tools
Layer or crack depths.
Constituent content and specific implementation process about one pack system repairing putty are discussed referring to the correlation of embodiment 1, herein
It repeats no more.
Embodiment 4
(1) take trifluoro FEVE resin (Changxing chemistry 41011, hydroxyl value 55mgKOH/g) 50 parts by weight, aliphatic polyester polynary
Alcohol (magnificent peak new material PE3010, hydroxyl value 112mgKOH/g) 25 parts by weight, polyether polyol (Historic Area of Zhongshan in Nanjing City N210, hydroxyl value
112mgKOH/g) 25 parts by weight are heated to 60 DEG C, and hydrogenation methylenebis phenyl isocyanate (Wan Hua, NCO%=32%) 39 is added
Parts by weight, are warming up to 80 DEG C of 2h, and test nco value is 4.0-4.6%, be added after qualified titanium dioxide (Du Pont R960) 100 parts by weight,
30 parts by weight of hollow glass microbead, UV absorbent (BASF Tinuvin479) 0.3 parts by weight, glycydoxy three
1 parts by weight of methoxy silane are dispersed with stirring uniformly, after vacuumizing and defoaming, are packed with the excellent aluminium plastic bag of waterproof performance, before sealing
It is replaced with drying nitrogen, obtains one pack system repairing putty.
(2) the one pack system repairing putty prepared in (1) is uniformly applied to the breakage of photovoltaic back with scraper, at room temperature
The effect that can reach dry tack free afterwards for 24 hours is stood, the intensity requirement that 72h reaches repairing is placed.
Embodiment 5
(1) trifluoro FEVE resin (Changxing chemistry 41011, hydroxyl value 55mgKOH/g) 50 parts by weight, polyether polyol (south are taken
The capital Zhong Mountain N210, hydroxyl value 112mgKOH/g) 50 parts by weight, 60 DEG C are heated to, hexamethylene diisocyanate (Cohan wound is added
Desmodur H, NCO%=49.7%) 25 parts by weight, 80 DEG C of 2h are warming up to, test nco value is 4.0-4.6%, is added after qualified
Enter 200 parts by weight of hollow glass microbead, 1 parts by weight of titanate coupling agent, 1 parts by weight of aluminate coupling agent, be dispersed with stirring uniformly,
It after vacuumizing and defoaming, is packed with the excellent aluminium plastic bag of waterproof performance, is replaced before sealing with drying nitrogen, it is greasy to obtain one pack system repairing
Son.
(2) the one pack system repairing putty prepared in (1) is uniformly applied to the breakage of photovoltaic back with scraper, at room temperature
The effect that can reach dry tack free afterwards for 24 hours is stood, the intensity requirement that 72h reaches repairing is placed.
Embodiment 6
(1) take trifluoro FEVE resin (Changxing chemistry 41011, hydroxyl value 55mgKOH/g) 40 parts by weight, aliphatic polyester polynary
Alcohol (magnificent peak new material PE3010, hydroxyl value 112mgKOH/g) 35 parts by weight, polyether polyol (Historic Area of Zhongshan in Nanjing City N210, hydroxyl value
112mgKOH/g) 12 parts by weight, epoxy resin E513 parts by weight, 10 parts by weight of Hydroxylated acrylic resin (self-control, hydroxyl value 55mg
KOH/g), 60 DEG C are heated to, isophorone diisocyanate (Desmodur I, NCO%=37.5% are created in Cohan) 33 weights are added
Part is measured, 80 DEG C of 2h are warming up to, test nco value is 4.0-4.6%, and titanium dioxide (Du Pont R960) 300 parts by weight, first are added after qualified
0.5 parts by weight of base acryloyloxypropyltrimethoxysilane, 0.1 parts by weight of titanate coupling agent, 0.3 weight of aluminate coupling agent
Part, 0.1 parts by weight of zirconium ester coupling agent are measured, is dispersed with stirring uniformly, after vacuumizing and defoaming, with the aluminium plastic bag packet that waterproof performance is excellent
Dress is replaced with drying nitrogen before sealing, obtains one pack system repairing putty.
(2) the one pack system repairing putty prepared in (1) is uniformly applied to the breakage of photovoltaic back with scraper, at room temperature
The effect that can reach dry tack free afterwards for 24 hours is stood, the intensity requirement that 72h reaches repairing is placed.
Embodiment 7
(1) take trifluoro FEVE resin (Changxing chemistry 41011, hydroxyl value 55mgKOH/g) 50 parts by weight, aliphatic polyester polynary
Alcohol (magnificent peak new material PE3010, hydroxyl value 112mgKOH/g) 25 parts by weight, 25 parts by weight of Hydroxylated acrylic resin (self-control, hydroxyl value
110mg KOH/g), 60 DEG C are heated to, 10 parts by weight of isophorone diisocyanate are added, and (Desmodur I, NCO% are created in Cohan
=37.5%), hexamethylene diisocyanate (Desmodur H, NCO%=49.7% are created in Cohan) 17.5 parts by weight, are warming up to
80 DEG C of 2h, test nco value are 4.0-4.6%, and titanium dioxide (Du Pont R960) 200 parts by weight, 1 weight of catalyst are added after qualified
Part, 0.5 parts by weight of dispersing agent, 3 parts by weight of thixotropic agent, 1 parts by weight of coupling agent, 0.5 parts by weight of defoaming agent are dispersed with stirring uniformly,
It after vacuumizing and defoaming, is packed with the excellent aluminium plastic bag of waterproof performance, is replaced before sealing with drying nitrogen, it is greasy to obtain one pack system repairing
Son.
(2) the one pack system repairing putty prepared in (1) is uniformly applied to the breakage of photovoltaic back with scraper, at room temperature
The effect that can reach dry tack free afterwards for 24 hours is stood, the intensity requirement that 72h reaches repairing is placed.
Embodiment 8
The one pack system repairing putty of the application contains numerous embodiments, due to length, only enumerates embodiment 4-7
Embodiment.The constituent content of rest part embodiment is as shown in table 1, specific operation process referring to embodiment 4 correlation
It discusses, details are not described herein.
The main component and dosage of 1 one pack system repairing putty of table
The unit of each component is parts by weight in table 1.
Embodiment 9
By taking embodiment 4 as an example, one pack system repairing putty is uniformly applied to the breakage of photovoltaic back, is placed at room temperature
It is detected after 72h, testing result is as shown in table 2.PCT (Pressure Cooker Test, pressure furnace test) appearance inspection
It surveys, PCT xanthochromia detects, the testing result of ultraviolet test reaches repair efficiency.Therefore, this one pack system repairing putty can be used for
Skin patching and the deep layer repairing for repairing photovoltaic back, are especially suitable for deep layer damage reparation, can satisfy the effect of comprehensive repairing
Fruit, has the advantages that applied widely, inside and outside minor and repair efficiency is good.
Testing result after the repairing of 2 damage position of table
| Project | Unit | Index | Test result |
| PCT 48h appearance | - | Without cracking | OK |
| PCT 96h appearance | - | Without cracking dusting | OK |
| PCT 96h xanthochromia | Δb | ≤3 | 1 |
| UV300KW.H | Δb | ≤3 | 1 |
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of one pack system repairing putty, which is characterized in that composition includes: by weight
Polyisocyanate resin: 10-100 parts；
Filler: 50-500 parts；And
Auxiliary agent: 0.1-10 parts.
2. one pack system repairing putty according to claim 1, which is characterized in that
The polyisocyanate resin and moisture in air cross-linking reaction, reaction equation are
2RNCO + H2O → RNHCONHR + CO2↑。
3. one pack system repairing putty according to claim 1, which is characterized in that
The polyisocyanate resin is that aliphatic isocyanates are formed in the molecule chain end progress chain extending reaction of matrix resin；
Wherein
Described matrix resin include polyhydroxy FEVE resin, epoxy resin, Hydroxylated acrylic resin, aliphatic polyester polyols,
One or more of polyether polyol.
4. one pack system repairing putty according to claim 3, which is characterized in that
The aliphatic isocyanates include hydrogenation methylenebis phenyl isocyanate, hexamethylene diisocyanate, isophorone
One or more of diisocyanate.
5. one pack system repairing putty according to claim 1, which is characterized in that
The filler includes one or more of high reflection rutile type titanium white, hollow glass microbead.
6. one pack system repairing putty according to claim 5, which is characterized in that
The partial size of the hollow glass microbead is 40-90um, refractive index 1.9-2.2.
7. one pack system repairing putty according to claim 1, which is characterized in that
The auxiliary agent includes at least one of catalyst, dispersing agent, thixotropic agent, coupling agent, defoaming agent.
8. one pack system repairing putty according to claim 7, which is characterized in that
The coupling agent include type siloxane coupling agent, titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent and on
State one or more of the compound of each coupling agent.
9. a kind of preparation method of one pack system repairing putty characterized by comprising
Matrix resin is mixed and heated to 80-130 DEG C with aliphatic isocyanates to react, generates polyisocyanates tree
Rouge；
After auxiliary agent, filler and the polyisocyanate resin are sufficiently mixed and disperse in paste；And
Sealed package after being replaced by drying nitrogen.
10. a kind of application of one pack system repairing putty, which is characterized in that
The one pack system repairing putty is suitable for skin patching and/or the deep layer repairing of photovoltaic back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165968.2A CN109867996A (en) | 2019-03-06 | 2019-03-06 | Photovoltaic back one pack system repairing putty and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165968.2A CN109867996A (en) | 2019-03-06 | 2019-03-06 | Photovoltaic back one pack system repairing putty and its preparation method and application |
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| CN109867996A true CN109867996A (en) | 2019-06-11 |
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| CN201910165968.2A Pending CN109867996A (en) | 2019-03-06 | 2019-03-06 | Photovoltaic back one pack system repairing putty and its preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110564344A (en) * | 2019-08-29 | 2019-12-13 | 苏州德圣辉新能源科技有限公司 | Solar backboard repairing adhesive and preparation method thereof |
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| CN107779015A (en) * | 2017-11-08 | 2018-03-09 | 苏州福斯特光伏材料有限公司 | A kind of photovoltaic back repair paint and the methods and applications with its repairing |
| CN108822786A (en) * | 2018-07-07 | 2018-11-16 | 深圳市鸿三松实业有限公司 | One-component damp solidifying polyurethane sealant that is a kind of containing reflective pigment and not flowing Heisui River |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101121843A (en) * | 2007-07-17 | 2008-02-13 | 山西大学 | Coloring layer coating for leather full wiped film and preparation method thereof |
| CN101921539A (en) * | 2009-06-10 | 2010-12-22 | 深圳市爱思宝商贸有限公司 | Composition for coating plate and application thereof on plate |
| CN107779015A (en) * | 2017-11-08 | 2018-03-09 | 苏州福斯特光伏材料有限公司 | A kind of photovoltaic back repair paint and the methods and applications with its repairing |
| CN108822786A (en) * | 2018-07-07 | 2018-11-16 | 深圳市鸿三松实业有限公司 | One-component damp solidifying polyurethane sealant that is a kind of containing reflective pigment and not flowing Heisui River |
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Application publication date: 20190611 |
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